<template>
  <div>
    <h2>Bigs组件</h2>
    <p>太阳特点是：{{Characteristic}}</p>
    <button @click="changeter">点击</button>
  </div>
</template>

<script>
export default {
  name: "Bigs",
  data() {
    return {
      Characteristic:"发光、发热"
    }
  },
  methods: {
    changeter(){
      this.Characteristic="???"
      this.$bus.$emit("getChange",this.Characteristic)
    }
  },
};
</script>

<style>
</style>